[GRASS-dev] i.segment gives different results in G72 and G73

[Martin Landa]

Hi,

2016-12-05 8:54 GMT+01:00 Markus Metz <markus.metz.giswork at gmail.com>:

> Both versions use the same method by default. However, the G73 version of
> region growing in i.segment has been modified, it is now faster for larger
> objects (larger thresholds). A side effect is that objects might differ
> slightly between G72 and G73, but both results are correct in terms of the
> concept of region growing. The reason for the difference is when finding the
> most similar neighbor region, there can be several equally best neighbors.
> Which one is selected is more or less chance, to be precise, the order of
> visiting the neighbors, and this order of visiting changed.

thanks for clarification. Could be probably good idea to explain it
also in manual pages. Can we take this paragraph as it is? Thanks,
Martin

-- 
Martin Landa
http://geo.fsv.cvut.cz/gwiki/Landa
http://gismentors.cz/mentors/landa